Bed in its design
In order to drill a hole in the material, a special drilling equipment is used, which consists, as a rule, from the installation of diamond drilling and a diamond crown. Drilling installation has a bed in its design and a hydraulic drive that sets a cutting tool. In the event that the installation is self -propelled, a gasoline engine is installed on it. By the method of power from the electric current network, installations are divided into single -phase and three -phase.
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